Question : The hormone that stimulates the heartbeat is
Option 1: Adrenaline
Option 2: Gastrin
Option 3: Glycogen
Option 4: Dopamine
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Correct Answer: Adrenaline
Solution : The correct option is Adrenaline.
Adrenaline, often known as epinephrine, is the hormone that increases heart rate. The adrenal glands create adrenaline which plays an important role in the body's "fight-flight" response, boosting heart rate and preparing the body for exertion or stress.
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